Answers

Add 56/42 and 15/40

1^st number: 1 14/42, 2^nd number: 15/40

56/42 + 15/40 is 41/24.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 40 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 42 × 20 = 840,
   56/42 = 56 × 20/42 × 20 = 1120/840
3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
   15/40 = 15 × 21/40 × 21 = 315/840
4. Add the two like fractions:
   1120/840 + 315/840 = 1120 + 315/840 = 1435/840
5. 1435/840 simplified gives 41/24
6. So, 56/42 + 15/40 = 41/24
   In mixed form: 117/24

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